Reflections

Question 1

What is the rule for the reflection?

Revolt · Accepted Answer

A: ry-axis(x, y) → (–x, y)

Question 2

What is the rule for the reflection?

Revolt · Accepted Answer

D: rx-axis(x, y) → (x, –y)

Question 3

Sumy is working in geometry class and is given figure ABCD in the coordinate plane to reflect. The coordinates of point D are (a, b) and she reflects the figure over the line y = x. What are the coordinates of the image D'?

Revolt · Accepted Answer

B: (b, a)

Question 4

Which statements must be true? Check all that apply.

Revolt · Accepted Answer

B: C'Q = QC; C: ⊥ A'A; E: A'A || B'B; F: m∠TRB = 90°

Question 5

Which reflection will produce an image of ΔRST with a vertex at (2, –3)?

Revolt · Accepted Answer

D: a reflection of ΔRST across the line y = –x

Question 6

Which are true if figure DEFG is reflected across the x-axis? Check all that apply.

Revolt · Accepted Answer

A: D(0, 4) → D'(0, –4); B: E(–2, 0) → E'(–2, 0); C: The perpendicular distance from G' to the x-axis will equal 2 units.

Question 7

Point P is located at (–4, –7). P is reflected across the x-axis to create P'. In which quadrant is P' located?

Revolt · Accepted Answer

B: Quadrant II

Question 8

The image of a point is given by the rule ry = –x(x, y) → (–4, 9). What are the coordinates of its pre-image?

Revolt · Accepted Answer

A: (–9, 4)

Question 9

⇒ C

Revolt · Accepted Answer

109973

Question 10

Consider reflections of ΔJKL.

Revolt · Accepted Answer

B: ✔ y-axis

Reflections Answers

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